update packages
sudo apt update
go to tmp folder
cd /tmp/
download borg-binary to tmp folder
wget -O borg https://github.com/borgbackup/borg/releases/latest/download/borg-linux64
add execute permissions
sudo chmod +x borg
move borg-binary to system path
sudo mv borg /usr/local/bin/borg
test borg
borg --version
install python3 and pip3
sudo apt install python3 python3-pip
install borgmatic with pip3
sudo pip3 install borgmatic
mkdir /etc/borgmatic
test borgmatic
borgmatic --version